ul,
ol,
li,
dl {
    list-style: none;
}

.clearfix,
.container {

    &::before,
    &::after {
        display: table;
        content: '';
    }

    &::after {
        clear: both;
    }
}

.container {
    width: 1200px;
    margin: 0 auto;
}

.fl {
    float: left;
}

.fr {
    float: right;
}

.layout {
    position: relative;
    overflow: hidden;
}

.layout-ceiling {
    background: #464c5b;
    color: #9ba7b5;
    padding: 10px 15px;

    a {
        color: #9ba7b5;
        user-select: none;
    }
}

.layout-header {
    height: 60px;
    line-height: 60px;
    background: #515a6e;
    box-shadow: 0 1px 1px rgba(0, 0, 0, 0.1);

    .menu {
        display: flex;
        font-size: 16px;

        li+li {
            margin-left: 20px;
        }

        a {
            display: block;
            color: #fff;

            &:hover,
            &.current {
                color: #2d8cf0;
            }
        }
    }
}

.layout-copy {
    background: #f5f7f9;
    text-align: center;
    padding: 20px 0;
    color: #9ea7b4;
}
